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-rw-r--r--share/man/man9/fork1.927
1 files changed, 24 insertions, 3 deletions
diff --git a/share/man/man9/fork1.9 b/share/man/man9/fork1.9
index 441f3429278..156b1b8a562 100644
--- a/share/man/man9/fork1.9
+++ b/share/man/man9/fork1.9
@@ -1,4 +1,4 @@
-.\" $OpenBSD: fork1.9,v 1.7 2003/06/06 20:56:32 jmc Exp $
+.\" $OpenBSD: fork1.9,v 1.8 2004/03/16 17:48:36 tedu Exp $
.\" $NetBSD: fork1.9,v 1.3 1999/03/16 00:40:47 garbled Exp $
.\"
.\" Copyright (c) 1998 The NetBSD Foundation, Inc.
@@ -46,7 +46,7 @@
.Fd #include <sys/types.h>
.Fd #include <sys/proc.h>
.Ft int
-.Fn "fork1" "struct proc *p1" "int flags" "void *stack" "size_t stacksize" "register_t *retval"
+.Fn "fork1" "struct proc *p1" "int exitsig" "int flags" "void *stack" "size_t stacksize" "void (*func)(void *)" "void *arg" "register_t *retval"
.Sh DESCRIPTION
.Fn fork1
creates a new process out of
@@ -128,6 +128,26 @@ This will contain the pid of the child process.
In the parent process, this will contain the value 0.
In the child process, this will contain 1.
.El
+.Pp
+The signal
+.Fa exitsig
+is sent to the parent
+.Fa p1
+on exit of the new process.
+.Pp
+If
+.Fa func
+is not
+.Dv NULL ,
+the new process will begin execution by calling this function.
+It defaults to child_return, which returns to userland.
+.Pp
+If
+.Fa arg
+is not
+.Dv NULL ,
+it is the argument to the previous function.
+It defaults to a pointer to the new process.
.Sh RETURN VALUES
Upon successful completion of the fork operation,
.Fn fork1
@@ -149,7 +169,8 @@ user id would be exceeded.
.Xr vfork 2 ,
.Xr kthread_create 9 ,
.Xr pfind 9 ,
-.Xr psignal 9
+.Xr psignal 9 ,
+.Xr uvm_fork 9
.Sh CAVEATS
The
.Nm